Home / 85,121.03-117,465.92-46,879.85

Finding the Fourth Proportional to 85,121.03, 117,465.92 and 46,879.85

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Solution

The fourth proportional to 85,121.03, 117,465.92 and 46,879.85 is: 64,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,121.03 : 117,465.92 = 46,879.85 : x
  2. Step 2: Convert to fraction form
    85,121.03/117,465.92 = 46,879.85/x
  3. Step 3: Cross multiply
    85,121.03x = 117,465.92 × 46,879.85
  4. Step 4: Simplify right side
    85,121.03x = 5,506,784,181.65
  5. Step 5: Solve for x
    x = 5,506,784,181.65/85,121.03
  6. Step 6: Final answer
    x = 64,693.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.